When modifying any diesel vehicle, there's always the question of "what's next?" In Colton Ahlberg's case, he had already modified his truck with larger injectors, a bigger turbo, modified injection ...

When we left this fat ol' mutt last month, its motor was fixed with the foundation for a spicier camshaft. A Crane rocker-arm kit (1.8:1, dual valvesprings, stouter pushrods, etc.) and the beginnings ...

A solid roller camshaft is a great way to improve the power your engine produces, and if your Mopar is equipped with a big-block or Hemi, a roller cam can be installed without much in the way of ...

This diagram shows the major cam events through one full cylinder cycle (two crank revolutions or 720 degrees), beginning at TDC firing. The exhaust lobe and valvetrain is closer to the front, and ...

COMP Cams has released a new upgrade camshaft kit designed specifically for iron block General Motors 4.8L LS V8 engines running an aftermarket turbocharged setup. COMP Cams says its new Stage 2 LST ...